Page 1 :
First question: Mention the definition | ass-| 01), Subject: Maths, , 1- find the roots of the following quadratic equations, (a) 3X2-5X+2=0 (b) 2X?-2v2+1=0, , 2- Find the values of k for each of the following, quadratic equations, so that they have two equal roots, (a) 2X2+kX+3=0 (b) kX(X-2)+6=0, , 5- A tower stands vertically on the ground. From a, point on the ground, which is 15m away from the foot, of the tower, the angle of elevation of the top of the, tower is found to 60° , Find the height of the tower., , 6- an observer 1.5 m tall is 28.5 m away from a, chimney. the angle of elevation of the top of the, chimney from her eyes is 45° what is the height of the, chimney?, , 7- Draw a circle of radius 6 cm. from a point 10 cm, away from its centre, construct the pair of tangent to, the circle and measure their lengths., , 8- construct a tangent to a circle of radius 4 cm froma, point on the concentric circle of radius 6 cm and, measure its length.